Two thin prisms made of the same glass (refractive index ) have apex angles and

PHYSICS · Single correct · CBSE · Physics · Ray Optics and Optical Instruments · Ray Optics and Optical Instruments

Problem

Two thin prisms made of the same glass (refractive index

\mu=1.60

) have apex angles

4^{\circ}

and

6^{\circ}

, respectively. For small angles of incidence in air, the ratio of their angular deviations

d_{4}/d_{6}

is (a)

3:2

(b)

4:9

(c)

2:3

(d)

1:1